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Master Switch

Remove master switch. Using DVOM, check for continuity between terminals of master switch. See Fig 1. Ensure continuity is as specified between appropriate terminals in indicated switch positions. See MASTER SWITCH CONTINUITY SPECIFICATIONS  table. If continuity is not as specified, replace master switch.

MASTER SWITCH CONTINUITY SPECIFICATIONS

Switch & Position (1) Test Between Terminals No. Continuity
Driver's Window
UP (Auto) 4, 9 & 11 Yes
UP (Manual) 4 & 9 Yes
OFF (Neutral) Any No
DOWN (Manual) 2 & 4 Yes
DOWN (Auto) 2, 4 & 11 Yes
Right Front Window
UP (Auto) 4, 13 & 15 Yes
UP (Manual) 4 & 13 Yes
OFF (Neutral) Any No
DOWN (Manual) 4 & 5 Yes
DOWN (Auto) 4, 5 & 15 Yes
Left Rear Window
UP 8 & 12; 7 & 10 Yes
OFF (Neutral) 7, 8 & 10 Yes
DOWN 10 & 12; 7 & 8 Yes
Right Rear Window
UP 12 & 14; 7 & 16 Yes
OFF (Neutral) 7, 14 & 16 Yes
DOWN 12 & 16; 7 & 14 Yes
(1) Master switch lock/unlock switch in UNLOCK position.
Fig 1: Identifying Master Switch Terminals
G99G51504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002